How to stop water from leaking back

Rockabetty

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Ok so my hubby is down & out for about the next month so I'm doing a lot for him...Have been trying to find a lift&turn up the pump but haven't gotten much help there yet so hopefully I can handle this.Ok here's what's going on.
Cummins ForumLeak found now how to fix?
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94-98 Non-Powertrain

Rockabetty
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May 29 - #1
Leak found now how to fix?

Pass floor matt was wet.Went to car wash flushed out the core &It was filthy brown & nasty.I have good heat now.I blew out the AC drain pipe with compressed air & it started coming out more than b4 drove truck 2 days no cooliant on floor Finally found the leak the round plastic part of core that leads to /houses drain tube is leaking.He rear ended someone who was trying to pull a a scam.Bumper got bent&the radiator got a hole so maybe the accident knocked it loose idk.But how do I fix this?It thought maybe adding a hose or elbow but would that really help? Maybe some water proof sealer around it?Any ideas?Let me know thanks.
 

Rockabetty

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It'seems the round part on the plastic box closest to the middle of dash.In 1 pic u can see the water dripping from the underlying of the plastic/foam.I can feel behind it the round part that is&feel a small gap between it&firewall.Was thinking a caulk maybe?
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79jasper

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Can't tell for sure.
Is the ac drain clear?
Seems to be common with the dodges. A search on the Internet said that evaporator drain tube falls off. And where it runs through the firewall, the foam dissentagrates.

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Rockabetty

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Yes it is.That part I belive is where the drain is located.I'm wondering if there's a seal goes around there&it's coming back in as it's being driven.
 

79jasper

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What I read said the drain should have foam around it. People said to seal it with silicone or the like.

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